9 Weeks Pregnant
Reviewed by Safi Allah Khan
Medically reviewed by: Safi Allah Khan · Written by the Momi team · Last updated 20 October 2026
Quick answer: At 9 weeks pregnant, your baby is about the size of a grape, about 2.3 cm (0.9 in) long. You're in the first trimester, in month 3, with 31 weeks to go until your due date. This week's milestone: fingers and toes separating. Symptoms vary from person to person.
| Week 9 at a glance | |
|---|---|
| Trimester | First |
| Month | 3 |
| Weeks to due date | 31 |
| Baby's size | About the size of a grape |
| Length | About 2.3 cm (0.9 in) |
| This week | Fingers and toes separating |
Sizes are typical averages. Before about 20 weeks, length is measured crown to rump; after that, head to heel.
Your baby at 9 weeks
Your baby is about the size of a grape. Fingers and toes are becoming more defined, and the eyelids have formed but stay closed for months.
Your body at 9 weeks pregnant
Nausea may be at its strongest around now for many people. Your breasts may feel heavier, and you may notice more vaginal discharge, which is normal if it isn't itchy or smelly.
Things to do this week
- Call your provider if you can't keep fluids down.
- Choose a supportive bra.
- Think about when you'd like to share your news.
When to call your doctor or midwife
Contact your care team straight away if:
- you have vaginal bleeding, especially with cramps or belly pain
- you have severe or one-sided belly pain, or pain in the tip of your shoulder
- you are vomiting so often you can't keep fluids down (the CDC flags being unable to drink for more than 8 hours)
- you have a fever of 100.4°F (38°C) or higher
- it hurts or burns when you pee
If something feels wrong, trust that feeling and call. In an emergency, call your local emergency number.
Track week 9 in Momi
Take your first bump photo in Momi's bump journal. Even if you aren't showing, it's a good starting point. Momi follows your pregnancy week by week with your baby's size and development, and keeps your diary, bump photos, appointments, kick counts and contractions in one place.
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Keep reading
← 8 weeks pregnant · All weeks · 10 weeks pregnant →
Sources
- ACOG: Changes During Pregnancy (infographic)
- NHS: Signs and symptoms of pregnancy
- ACOG: Morning Sickness: Nausea and Vomiting of Pregnancy
- CDC: Urgent Maternal Warning Signs
Medical disclaimer: Momi and this website provide general information, not medical advice. Always talk to your doctor or midwife; in an emergency call your local emergency number.
FAQ
How big is a baby at 9 weeks pregnant?
On average, a baby at 9 weeks is about the size of a grape: about 2.3 cm (0.9 in). These are typical averages, and healthy babies vary.
How many months is 9 weeks pregnant?
9 weeks pregnant is in the third month of pregnancy and the first trimester. Months don't divide evenly into 40 weeks, so different sources may label the month slightly differently.
What should I do at 9 weeks pregnant?
Call your provider if you can't keep fluids down. Choose a supportive bra.
Related guides
Track this in Momi
Momi is a free pregnancy tracker app for iPhone and Android that follows pregnancy week by week, estimates the due date, and keeps a pregnancy journal, weight log, kick counter and contraction timer in one place.
